What specific bacteria caused the recent laksa food poisoning?

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Salmonella Enterica Serovar Weltevreden Identified as Cause of Laksa Food Poisoning

The specific bacterium identified as the cause of the recent laksa food poisoning incident is Salmonella enterica serovar weltevreden. This conclusion was reached through advanced laboratory testing, confirming the presence of this bacteria in both patient samples and the implicated laksa. The contamination has led to a significant number of cases and regrettably, two fatalities across multiple states.
Laboratory Confirmation of Bacterial Agent

The identification of Salmonella enterica serovar weltevreden was a result of comprehensive testing procedures. Both the Sungai Buloh National Public Health Laboratory and the Penang Food Safety and Quality Laboratory conducted Pulse Field Gel Electrophoresis (PFGE) tests. These tests conclusively detected the bacteria in clinical samples obtained from individuals affected by the food poisoning and, crucially, in a sample of the laksa itself.
Source of Contamination and Potential Risk Factors

The contaminated laksa noodles were traced back to a specific food stall, with the noodles having been purchased on October 4. Further investigation revealed that these noodles were produced at a premise owned by the same stall operator. The Health Ministry pointed to potential risk factors that likely contributed to the contamination, including unclean practices during the preparation and storage of the laksa noodles. Inadequate temperature control during the preparation process was also highlighted as a significant factor, suggesting that the cooking temperatures may not have been sufficient to eliminate the bacteria.
Scope of the Outbreak and Affected Regions

The outbreak linked to the consumption of this contaminated laksa has resulted in a total of 83 reported cases. Sadly, two deaths have been attributed to this incident. The cases are geographically distributed across three states, with Perak recording the highest number of cases at 34, including the two fatalities. Kedah has reported 25 cases, and Selangor has documented 24 cases, indicating a widespread impact from the contaminated food source.

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What specific bacteria caused the recent laksa food poisoning?

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